Finding the Fourth Proportional to 2,978.91, 4,110.89 and 1,652.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.91 : 4,110.89 = 1,652.63 : x
2. Step 2: Convert to fraction form
   2,978.91/4,110.89 = 1,652.63/x
3. Step 3: Cross multiply
   2,978.91x = 4,110.89 × 1,652.63
4. Step 4: Simplify right side
   2,978.91x = 6,793,751.32
5. Step 5: Solve for x
   x = 6,793,751.32/2,978.91
6. Step 6: Final answer
   x = 2,280.62